Lennox Hearth CAMBRIA 850 - Manual (Page 9)

FIREPLACE INSTALLATION
Locating The Fireplace
The best location to install your fireplace is
determined by considering the location of
windows, doors, and the traffic flow in the room
where the fireplace is located, allowing space in
front of the unit for the hearth extension and the
mantel, and taking into consideration the loca-
tion of the hot air ducts (optional), outside air
kit and chimney. If possible, you should choose
a location where the chimney will pass through
the house without cutting floor or roof joists
(see fireplace dimensions on Page 11).
Marginal Location
Wind Direction
Location
Not
Recommended
Outside Air Intake
Facing the Wind
Location
Not
Recommended
Location Recommended
Usually, no additional floor support is needed
for the fireplace. The adequacy of the floor
can be checked by first estimating the weight
of the fireplace system. Weights are given on
Page 25. Next, measure the area occupied by
the fireplace. Note the floor construction and
consult your local building code to determine
if additional support is needed.
The Cambria™ fireplace may be installed directly
on the floor or on a raised base but a minimum of
7 feet 6 inches (2.3 m) measured from the base
of the appliance to the ceiling is required.
Figure 12
When selecting the location, the chimney outlet
position and the direction of the wind are impor-
tant factor affecting the chimney performance.
To allow a maximum draft and to reduce wind
turbulence, the chimney must:
• Penetrate the highest part of the roof.
• Be installed as far as possible of roof offsets,
trees or any other obstructions that may
cause wind turbulence and back drafts in
the chimney.
• The least amount of offsets (elbows) pos-
sible.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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